diff --git a/domains/sife.json b/domains/sife.json
index 756a9351ba..37b19003e5 100644
--- a/domains/sife.json
+++ b/domains/sife.json
@@ -5,6 +5,8 @@
     },
 
     "record": {
-        "CNAME": "sife-shuo.github.io"
+        "CNAME": "sife-shuo.github.io",
+        "TXT": "v=spf1 include:spf.improvmx.com ~all",
+        "MX": ["mx1.improvmx.com.", "mx2.improvmx.com."]
     }
 }